302
FNCA52 TJSJ 310825
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
425 AM AST SUN MAY 31 2020
DISCUSSION
KDBI REMAINS ABOVE THE CRITICAL THRESHOLD FOR MANY AREAS ALONG
THE SOUTH COASTAL PLAINS, WITH 10HR FUEL MOISTURE IS EXPECTED TO
CONTINUE AROUND 9% AS NO WETTING RAINS ARE EXPECTED FOR THESE AREAS
TODAY. RH VALUES ARE EXPECTED TO DROP TO THE MID TO UPPER 40S IN
AS OVERALL DRY CONDITIONS WILL PREVAIL ALTHOUGH A FEW BRIEF SHOWERS
MAY AFFECT SOME AREAS INLAND. ADDITIONALLY, TRANSPORT WINDS WILL
AGAIN INCREASE DURING THE LATE MORNING AND AFTERNOON HOURS TO AROUND
15 MPH OR MORE. THEREFORE, THERE WILL BE AN ELEVATED RISK OF FIRE
DANGER FOR THE SOUTH COASTAL PLAINS TODAY.
PRZ014-010830-
SOUTHEAST COASTAL PLAINS-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 30
TEMP (24H TREND) 90 (+1) 75 (0) 89
RH % (24H TREND) 47 (-4) 87 (0) 52
20FTWND-VAL/AM(MPH) E 12 E 9
20FTWND-RDG/PM(MPH) SE 15 E 8 SE 10
MIXING HGT(FT-AGL/MSL)7001 6945
TRANSPORT WND (MPH) E 16 E 10
VENT RATE (KT-FT) 95342 70517
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 4 3 3
REMARKS...NONE.
PRZ015-010830-
SOUTHERN HILLS-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
TEMP (24H TREND) 89 (+2) 72 (-1) 88
RH % (24H TREND) 48 (-4) 88 (0) 48
20FTWND-VAL/AM(MPH) E 10 E 8
20FTWND-RDG/PM(MPH) SE 12 E 7 SE 9
MIXING HGT(FT-AGL/MSL)7443 7376
TRANSPORT WND (MPH) E 14 SE 9
VENT RATE (KT-FT) 90644 73514
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 2
HAINES INDEX 4 3 3
REMARKS...NONE.
PRZ016-010830-
NORTH COASTAL PLAINS-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 20 40
TEMP (24H TREND) 90 (-1) 75 (-1) 90
RH % (24H TREND) 50 (-3) 85 (-1) 48
20FTWND-VAL/AM(MPH) E 9 E 8
20FTWND-RDG/PM(MPH) E 13 E 9 G17 E 9
MIXING HGT(FT-AGL/MSL)6952 7477
TRANSPORT WND (MPH) E 15 SE 9
VENT RATE (KT-FT) 94552 68211
DISPERSION 5 5
DSI 6 6 6
LAL 2 1 2
HAINES INDEX 4 3 3
REMARKS...NONE.
PRZ017-010830-
NORTHERN HILLS-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 30 0 70
TEMP (24H TREND) 90 (0) 72 (-1) 89
RH % (24H TREND) 47 (-6) 87 (-2) 49
20FTWND-VAL/AM(MPH) E 8 E 6
20FTWND-RDG/PM(MPH) NE 10 E 6 NE 6
MIXING HGT(FT-AGL/MSL)8656 7742
TRANSPORT WND (MPH) E 12 SE 6
VENT RATE (KT-FT) 93664 62848
DISPERSION 5 5
DSI 6 5 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ018-010830-
WEST COAST-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 30
TEMP (24H TREND) 89 (0) 75 (-1) 89
RH % (24H TREND) 53 (-3) 80 (-7) 51
20FTWND-VAL/AM(MPH) E 8 E 6
20FTWND-RDG/PM(MPH) SE 7 LGT/VAR SE 6
MIXING HGT(FT-AGL/MSL)7649 7523
TRANSPORT WND (MPH) E 8 SE 8
VENT RATE (KT-FT) 90530 82988
DISPERSION 5 5
DSI 6 4 6
LAL 2 1 2
HAINES INDEX 3 3 2
REMARKS...NONE.
PRZ019-010830-
EASTERN INTERIOR-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 40 40
TEMP (24H TREND) 90 (+1) 72 (-2) 89
RH % (24H TREND) 45 (-6) 91 (+2) 45
20FTWND-VAL/AM(MPH) E 10 SE 8
20FTWND-RDG/PM(MPH) E 11 E 8 SE 9
MIXING HGT(FT-AGL/MSL)8471 7752
TRANSPORT WND (MPH) E 16 SE 10
VENT RATE (KT-FT) 95879 65816
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 2
HAINES INDEX 3 2 3
REMARKS...NONE.
PRZ022-010830-
LUQUILLO MOUNTAIN RANGE-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 50 40
TEMP (24H TREND) 86 (0) 71 (-2) 86
RH % (24H TREND) 55 (-1) 91 (+2) 52
20FTWND-VAL/AM(MPH) E 10 SE 9
20FTWND-RDG/PM(MPH) E 11 E 8 SE 9
MIXING HGT(FT-AGL/MSL)6052 5950
TRANSPORT WND (MPH) E 17 SE 12
VENT RATE (KT-FT) 86418 61461
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 2
HAINES INDEX 4 2 4
REMARKS...NONE.
PRZ023-010830-
CENTRAL MOUNTAIN RANGE-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 30 0 60
TEMP (24H TREND) 89 (+2) 69 (-2) 89
RH % (24H TREND) 42 (-7) 90 (+2) 46
20FTWND-VAL/AM(MPH) E 8 SE 6
20FTWND-RDG/PM(MPH) E 7 LGT/VAR SE 5
MIXING HGT(FT-AGL/MSL)9489 8367
TRANSPORT WND (MPH) E 9 SE 6
VENT RATE (KT-FT) 84999 52930
DISPERSION 5 5
DSI 6 4 6
LAL 2 1 2
HAINES INDEX 3 3 3
REMARKS...NONE.
PRZ024-010830-
CAYEY MOUNTAIN RANGE-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 40
TEMP (24H TREND) 87 (0) 72 (-2) 87
RH % (24H TREND) 52 (0) 89 (0) 49
20FTWND-VAL/AM(MPH) E 11 E 9
20FTWND-RDG/PM(MPH) E 12 E 8 SE 9
MIXING HGT(FT-AGL/MSL)6609 6511
TRANSPORT WND (MPH) E 17 SE 10
VENT RATE (KT-FT) 92501 57163
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 2
HAINES INDEX 4 2 3
REMARKS...NONE.
PRZ025-010830-
VIEQUES-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 50 30
TEMP (24H TREND) 86 (-1) 79 (-1) 86
RH % (24H TREND) 61 (-2) 81 (+1) 59
20FTWND-VAL/AM(MPH) E 12 E 11
20FTWND-RDG/PM(MPH) E 14 E 11 SE 9
MIXING HGT(FT-AGL/MSL)5650 5741
TRANSPORT WND (MPH) E 17 SE 13
VENT RATE (KT-FT) 86151 66755
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 4 2 4
REMARKS...NONE.
PRZ026-010830-
CULEBRA-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 50 30
TEMP (24H TREND) 89 (+2) 79 (-1) 87
RH % (24H TREND) 61 (-2) 82 (0) 59
20FTWND-VAL/AM(MPH) E 12 SE 12
20FTWND-RDG/PM(MPH) E 14 E 13 SE 10
MIXING HGT(FT-AGL/MSL)5697 5729
TRANSPORT WND (MPH) E 17 SE 15
VENT RATE (KT-FT) 87047 72280
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 4 2 4
REMARKS...NONE.
PRZ027-010830-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 0 20
TEMP (24H TREND) 90 (+1) 76 (0) 89
RH % (24H TREND) 48 (-5) 82 (-5) 49
20FTWND-VAL/AM(MPH) E 12 E 10
20FTWND-RDG/PM(MPH) SE 14 E 9 SE 10
MIXING HGT(FT-AGL/MSL)7475 7558
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 106145 93568
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 4 3 3
REMARKS...NONE.
VIZ001-010830-
SAINT THOMAS AND SAINT JOHN-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 10
TEMP (24H TREND) 89 (+2) 76 (-2) 88
RH % (24H TREND) 59 (-2) 83 (0) 58
20FTWND-VAL/AM(MPH) E 12 SE 11
20FTWND-RDG/PM(MPH) E 12 E 12 SE 10
MIXING HGT(FT-AGL/MSL)5995 5809
TRANSPORT WND (MPH) E 17 SE 14
VENT RATE (KT-FT) 94271 70626
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 4 3 4
REMARKS...NONE.
VIZ002-010830-
ST CROIX-
425 AM AST SUN MAY 31 2020
TODAY TONIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 10
TEMP (24H TREND) 90 (+2) 77 (0) 88
RH % (24H TREND) 57 (-4) 83 (-1) 52
20FTWND-VAL/AM(MPH) E 12 E 12
20FTWND-RDG/PM(MPH) E 12 E 11 SE 10
MIXING HGT(FT-AGL/MSL)6356 6117
TRANSPORT WND (MPH) E 17 SE 16
VENT RATE (KT-FT) 93710 82853
DISPERSION 5 5
DSI 6 6 6
LAL 1 1 1
HAINES INDEX 3 2 4
REMARKS...NONE.
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